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+
+/* Chrysalide - Outil d'analyse de fichiers binaires
+ * ##FILE## - traduction d'instructions ARMv7
+ *
+ * Copyright (C) 2017 Cyrille Bagard
+ *
+ * This file is part of Chrysalide.
+ *
+ * Chrysalide is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Chrysalide is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Chrysalide. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+
+@title SRS (ARM)
+
+@id 367
+
+@desc {
+
+ Store Return State stores the LR and SPSR of the current mode to the stack of a specified mode. For information about memory accesses see Memory accesses on page A8-294. SRS is: • UNDEFINED in Hyp mode • UNPREDICTABLE if: — it is executed in User or System mode — it attempts to store the Monitor mode SP when in Non-secure state — NSACR.RFR is set to 1 and it attempts to store the FIQ mode SP when in Non-secure state — if it attempts to store the Hyp mode SP.
+
+}
+
+@encoding (A1) {
+
+ @word 1 1 1 1 1 0 0 P(1) U(1) 1 W(1) 0 1 1 0 1 0 0 0 0 0 1 0 1 0 0 0 mode(5)
+
+ @syntax {
+
+ @subid 2027
+
+ @assert {
+
+ P == 0
+ U == 0
+
+ }
+
+ @conv {
+
+ reg_SP = Register(13)
+ wb_reg = WrittenBackReg(reg_SP, W)
+ direct_mode = UInt(mode)
+
+ }
+
+ @asm srsda wb_reg direct_mode
+
+ }
+
+ @syntax {
+
+ @subid 2028
+
+ @assert {
+
+ P == 1
+ U == 0
+
+ }
+
+ @conv {
+
+ reg_SP = Register(13)
+ wb_reg = WrittenBackReg(reg_SP, W)
+ direct_mode = UInt(mode)
+
+ }
+
+ @asm srsdb wb_reg direct_mode
+
+ }
+
+ @syntax {
+
+ @subid 2029
+
+ @assert {
+
+ P == 0
+ U == 1
+
+ }
+
+ @conv {
+
+ reg_SP = Register(13)
+ wb_reg = WrittenBackReg(reg_SP, W)
+ direct_mode = UInt(mode)
+
+ }
+
+ @asm srsia wb_reg direct_mode
+
+ }
+
+ @syntax {
+
+ @subid 2030
+
+ @assert {
+
+ P == 1
+ U == 1
+
+ }
+
+ @conv {
+
+ reg_SP = Register(13)
+ wb_reg = WrittenBackReg(reg_SP, W)
+ direct_mode = UInt(mode)
+
+ }
+
+ @asm srsib wb_reg direct_mode
+
+ }
+
+}
+